Transformers Material used for construction of transformer core is usually Wood Silicon steel Aluminium Copper Wood Silicon steel Aluminium Copper ANSWER DOWNLOAD EXAMIANS APP
Transformers The turns ratio required to match an 80 source to a 320 load is 20 4 80 2 20 4 80 2 ANSWER DOWNLOAD EXAMIANS APP
Transformers The noise resulting from vibrations of laminations set by magnetic forces, is termed as Hum Zoom Boo Magnetostriction Hum Zoom Boo Magnetostriction ANSWER DOWNLOAD EXAMIANS APP
Transformers Efficiency of a power transformer is of the order of 100 per cent 25 per cent 50 per cent 98 per cent 100 per cent 25 per cent 50 per cent 98 per cent ANSWER DOWNLOAD EXAMIANS APP
Transformers Primary winding of a transformer None of these is always a high voltage winding could either be a low voltage or high voltage winding is always a low voltage winding None of these is always a high voltage winding could either be a low voltage or high voltage winding is always a low voltage winding ANSWER DOWNLOAD EXAMIANS APP
Transformers Natural air cooling is generally restricted for transformers up to 1.5 MVA 5 MVA 50 MVA 15 MVA 1.5 MVA 5 MVA 50 MVA 15 MVA ANSWER DOWNLOAD EXAMIANS APP
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